| # Copyright (C) 2010 Gabor Rapcsanyi (rgabor@inf.u-szeged.hu), University of Szeged |
| # |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # 1. Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # 2. Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # |
| # THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY |
| # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR |
| # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| # OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| import os |
| import tempfile |
| import unittest2 as unittest |
| |
| from webkitpy.common.system.file_lock import FileLock |
| |
| |
| class FileLockTest(unittest.TestCase): |
| |
| def setUp(self): |
| self._lock_name = "TestWebKit" + str(os.getpid()) + ".lock" |
| self._lock_path = os.path.join(tempfile.gettempdir(), self._lock_name) |
| self._file_lock1 = FileLock(self._lock_path, 0.1) |
| self._file_lock2 = FileLock(self._lock_path, 0.1) |
| |
| def tearDown(self): |
| self._file_lock1.release_lock() |
| self._file_lock2.release_lock() |
| |
| def test_lock_lifecycle(self): |
| # Create the lock. |
| self._file_lock1.acquire_lock() |
| self.assertTrue(os.path.exists(self._lock_path)) |
| |
| # Try to lock again. |
| self.assertFalse(self._file_lock2.acquire_lock()) |
| |
| # Release the lock. |
| self._file_lock1.release_lock() |
| self.assertFalse(os.path.exists(self._lock_path)) |
| |
| def test_stuck_lock(self): |
| open(self._lock_path, 'w').close() |
| self._file_lock1.acquire_lock() |
| self._file_lock1.release_lock() |